Public bug report changed: https://launchpad.net/malone/bugs/28840 Comment: Ok - package information: Rhythmbox: 0.9.2cvs20060102-0ubuntu1 Mplayer:2:0.99+1.0pre7try2+cvs20060117-0ubuntu1 alsa-lib:1.0.10-3 It really does appear to be an issue with alsa not liking the USB soundcard, it works fine using onboard sound!